81516836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{3163}}^1$

素因数の和:3563

約数の個数: 24

約数和(自身を含む): 151492320

約数和(自身を除く): 69975484

約数列:

[1, 2, 4, 17, 34, 68, 379, 758, 1516, 3163, 6326, 6443, 12652, 12886, 25772, 53771, 107542, 215084, 1198777, 2397554, 4795108, 20379209, 40758418, 81516836]

約数ペア:

[(1, 81516836), (2, 40758418), (4, 20379209), (17, 4795108), (34, 2397554), (68, 1198777), (379, 215084), (758, 107542), (1516, 53771), (3163, 25772), (6326, 12886), (6443, 12652)]